confirm

Verb

• administer the rite of confirmation to
  • the children were confirmed in their mother's faith
    

• support a person for a position
  • The Senate confirmed the President's candidate for Secretary of Defense
    

• make more firm
  • Confirm thy soul in self-control!
    

• strengthen or make more firm
  • The witnesses confirmed the victim's account
    

• establish or strengthen as with new evidence or facts
  • his story confirmed my doubts
    
  • The evidence supports the defendant
    

Related words

• Synonyms: 
  reassert , corroborate , sustain , substantiate , support , affirm
• Antonyms: 
  negate , contradict